FeverUp

Senior Software Engineer - AI Agents & Developer Platform

FeverUp · Spain

Posted 26 days ago

or apply directly on FeverUp's site. We never take the application ourselves.

Is this posting real?

This role has been open
26 days
FeverUp's roles stay open a median of 45 days
Reposted
No
Salary listed
No
1% of FeverUp's roles list one
Ghost-job risk at FeverUp
high
338 stale, 13 reposted of 622 open
Hiring momentum
928 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-09-17

Measured from postings appearing on and disappearing from FeverUp's own greenhouse board since 2026-08-03. Full hiring picture for FeverUp.

About this role

In this role as a Senior Software Engineer focused on AI Agents and Developer Platform, you will be responsible for building backend systems that enhance the performance of Fever's Product Engineering organization. Your work will involve developing AI-powered tools, creating agent harnesses, and optimizing workflows for speed and cost while ensuring high-quality output. You will also engage in measurement and evaluation to ensure that changes are data-driven and impactful.

Our read on this posting3.8out of 5
benefits
5/5
freshness
4/5
career value
5/5
role clarity
5/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of FeverUp as an employer.

What you need

  • 5+ years building and operating production software at meaningful scale, with end-to-end ownership
  • Strong software design fundamentals: testing, design patterns, clean architecture
  • Backend depth: RESTful APIs, relational databases and SQL, distributed and event-driven patterns
  • Full production ownership: CI/CD, observability, infrastructure
  • Proficient business English
  • 1 to 2+ years shipping LLM applications to production

Nice to have

  • Public work on agent harnesses, AI evaluation, or developer experience
  • Experience building internal tools or developer platforms
  • Comfort operating with ambiguity at startup speed

What you get

  • Attractive compensation package with base salary and performance bonuses
  • Stock options
  • 40% discount on all Fever events and experiences
  • Home office friendly
  • Professional and personal growth opportunities
  • Great work environment with a young, international team

Worth weighing

  • No specific salary figures listed
  • Role involves a significant focus on AI and backend systems, which may require a steep learning curve for those unfamiliar with AI applications
  • Expectations for high ownership and responsibility from day one may not suit everyone

Summarised from FeverUp's posting. Read the full original.

Listed by FeverUp on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.

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